The Upanishads, Part 1 (SBE01), by Max Müller, [1879], at sacred-texts.com

SEVENTH KHANDA.

1. Let a man meditate on the fivefold Sâman, which is greater than great, as the prânas (senses). The hiṅkâra is smell 1 (nose), the prastâva speech (tongue), the udgîtha sight (eye), the pratihâra hearing (ear), the nidhana mind. These are one greater than the other.

2. What is greater than great belongs to him, nay, he conquers the worlds which are greater than